Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
305715 (2009 BU188)
Classification: Main-belt Asteroid          SPK-ID: 2305715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04922137862111517 7.7933e-08  
a 3.0443292992433 5.8219e-08 au
q 2.894483214157891 2.4908e-07 au
i 9.419848347780659 8.087e-06 deg
node 184.002166106657 4.8293e-05 deg
peri 66.4909783311076 8.9833e-05 deg
M 266.8568898139442 7.9954e-05 deg
tp 2459102.477328373241
(2020-Sep-09.97732837)
0.00043632 TDB
period 1940.152501386203
5.31
5.5655e-05
1.524e-07
d
yr
n .1855524242258208 5.3227e-09 deg/d
Q 3.194175384328708 6.1085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5425 days (14.85 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:07:57  

Additional Information
 Earth MOID = 1.89772 au 
 Jupiter MOID = 1.82042 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04824332775361722 7.8185e-08  
q 2.897494127970936 2.4989e-07 au
tp 2457156.436438921850
(2015-May-13.93643892)
0.00042417 TDB
node 184.0263759682015 4.8291e-05 deg
peri 65.57347040160431 9.0852e-05 deg
i 9.419539814790308 8.0873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5425 days (14.85 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:07:57  

Additional Information
 Jupiter MOID = 1.82042 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.112967634225912E-15 -1.906024591405831E-14 -7.671484369026001E-12 -3.503675098763546E-14 -1.391022567818963E-12 -6.672579122030042E-15
q -1.906024591405831E-14 6.244464017054647E-14 2.97784739402547E-11 1.277223242197089E-13 5.353723046502493E-12 3.060721624503747E-14
tp -7.671484369026001E-12 2.97784739402547E-11 1.799204569638957E-7 2.178588187804465E-10 3.273425709493121E-8 3.621543395372633E-11
node -3.503675098763546E-14 1.277223242197089E-13 2.178588187804465E-10 2.332030894021963E-9 -2.260066896141536E-9 1.118608847499635E-10
peri -1.391022567818963E-12 5.353723046502493E-12 3.273425709493121E-8 -2.260066896141536E-9 8.254052970415949E-9 -1.037668008006455E-10
i -6.672579122030042E-15 3.060721624503747E-14 3.621543395372633E-11 1.118608847499635E-10 -1.037668008006455E-10 6.54045270964981E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO433970  

305715 (2009 BU188)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 20:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin